CVE-2026-36610
Medium
Description
Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding. The firmware contains no TLS implementation, allowing man-in-the-middle interception of DDNS service credentials.
SeverityMedium
CVSS5.9
Exploit probability—
ProductAC12G (EU) V1
PublishedJun 3, 2026
First seenJun 3, 2026
Weakness typeCWE-319CWE-319CWE-523CWE-523
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Mercusys AC12G (EU) V1 | AC12G(EU)_V1_200909 | — |
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